PROVIDING A COUNT
Apparatus comprises two or more rotary encoder switches, each of the two or more rotary encoder switches being commonly connected to first and second signal lines, each switch being operable to provide signals on the first and second signal lines which are dependent on a direction of rotational actu...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | Apparatus comprises two or more rotary encoder switches, each of the two or more rotary encoder switches being commonly connected to first and second signal lines, each switch being operable to provide signals on the first and second signal lines which are dependent on a direction of rotational actuation of the switch by a user; and a receiver connected to the first and second signal lines so as to receive the signals from the two or more rotary encoder switches, the receiver comprising a counter circuit operable to determine a count in response to changes in the signals, the receiver being arranged to provide the count at an output. Apparatus also comprises one or more rotary encoder switches, each switch being connected to two or more signal lines, each switch being operable to provide signals on the two or more signal lines which are dependent on a direction of rotational actuation of the switch by a user; and a receiver connected to the two or more signal lines so as to receive the signals, the receiver comprising a counter circuit having a clock input, the counter circuit being operable to determine a count in response to input signals present at one or more inputs of the counter circuit at the time of an edge of a signal received at the clock input, the receiver including a sub-circuit arranged to provide a signal to the clock input of the counter circuit in response to a detection of a predetermined sequence of changes in the signals on the two or more signal lines, the receiver being arranged to provide the count at an output.
Un appareil comprend deux commutateurs de codage rotatifs ou plus, chacun des deux commutateurs de codage rotatifs ou plus étant connecté de façon commune à des première et seconde lignes de signaux. Chaque commutateur a pour fonction d'envoyer des signaux sur les première et seconde lignes de signaux, qui dépendent du sens d'un mouvement de rotation appliqué au commutateur par un utilisateur. L'appareil comprend également un récepteur qui est connecté aux première et seconde lignes de signaux de façon à recevoir les signaux en provenance des deux commutateurs de codage rotatifs ou plus. Le récepteur comprend un circuit de comptage qui a pour fonction de déterminer un comptage en réponse à des changements des signaux, le récepteur étant configuré de façon à délivrer un comptage à une sortie. L'appareil comprend également un ou plusieurs commutateurs de codage rotatif, chaque commutateur étant connecté à deux lignes de signaux |
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